Recognised as Colour

#FF4D25

#FF4D25
Red
Dark
Nearest: Orange red

#FF4D25 is a red with RGB values 255, 77, 37 and HSL 11°, 100%, 57%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#FF4D25#FF4D25

HEX#FF4D25

RGBrgb(255, 77, 37)

RGB (0–1)1, 0.302, 0.1451

RGB percentages100%, 30.2%, 14.5%

HSLhsl(11, 100%, 57.3%)

HSV / HSBhsv(11, 85.5%, 100%)

CMYK0%, 69.8%, 85.5%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,731,429

CSS custom property--colour: #FF4D25;

Brightness & contrast

Relative luminance0.26701WCAG 2.x, 0 is black and 1 is white

Perceived brightness151.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.34:1

Contrast with white3.31:1WCAG normal text: Fail

Contrast with black6.34:1WCAG normal text: AA

Greyscale equivalent#707070

Inverted#00B2DA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#83741Dno red cones; affects about 1% of men; ΔE 71.3 from the original

Deuteranopia#AF9C18no green cones; the most common form, about 1% of men; ΔE 71.8 from the original

Tritanopia#FF0046no blue cones; rare, and affects men and women equally; ΔE 27.6 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text3.31:1WCAG large text: AA

Contrast with black, large text6.34:1WCAG large text: AAA

Named colours

Orange red · ΔE 10 Tomato · ΔE 15.3 Red · ΔE 17.5 Coral · ΔE 24.8 Chocolate · ΔE 28.7 Crimson · ΔE 28.7

Nearest named CSS colourOrange red (#FF4500)ΔE 10.03, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#25D7FF

Analogous#FF256A, #FFBA25

Triadic#25FF4D, #4D25FF

Split complementary#25FFBA, #256AFF

Tetradic#6AFF25, #25D7FF, #BA25FF

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FFF4F1

Lighter +30%#FFCABE

Lighter +20%#FFA08B

Lighter +10%#FF7758

Darker −10%#F12C00

Darker −20%#BE2300

Darker −30%#8B1A00

Darker −40%#581000

More saturated +25%#FF4D25

Less saturated −25%#E45E40

Channel breakdown

R255

G77

B37

Red255 (100%)

Green77 (30.2%)

Blue37 (14.5%)

Hue11.01°

Saturation (HSL)100%

Lightness57.25%

Dominant channelRed

Hex per channelR FF · G 4D · B 25

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#FF4D25

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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